Base | Representation |
---|---|
bin | 100101010111111101… |
… | …000001111111111111 |
3 | 10211120202021121021012 |
4 | 211113331001333333 |
5 | 1124141330304211 |
6 | 30234032025435 |
7 | 2620316053403 |
oct | 452775017777 |
9 | 124522247235 |
10 | 40130322431 |
11 | 16023580231 |
12 | 793b69227b |
13 | 3a27081a24 |
14 | 1d29a13103 |
15 | 109d17ad8b |
hex | 957f41fff |
40130322431 has 2 divisors, whose sum is σ = 40130322432. Its totient is φ = 40130322430.
The previous prime is 40130322413. The next prime is 40130322437. The reversal of 40130322431 is 13422303104.
Together with previous prime (40130322413) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 40130322431 - 26 = 40130322367 is a prime.
It is a super-2 number, since 2×401303224312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 40130322397 and 40130322406.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40130322437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065161215 + 20065161216.
It is an arithmetic number, because the mean of its divisors is an integer number (20065161216).
Almost surely, 240130322431 is an apocalyptic number.
40130322431 is a deficient number, since it is larger than the sum of its proper divisors (1).
40130322431 is an equidigital number, since it uses as much as digits as its factorization.
40130322431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 40130322431 its reverse (13422303104), we get a palindrome (53552625535).
The spelling of 40130322431 in words is "forty billion, one hundred thirty million, three hundred twenty-two thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •